CONTENTS. 



CHAPTER XV. 



Page 



Structures of the Wood-Ants, or Pismire* 272 



Materials employed lb. 



Coping of their nest 273 



Interior structure 275 



Glazed Formicary for experiment* 276 



Their proceeding's at night-fall ...*.. 277 



Carpenter Ants 279 



Emmets, or Jet-Ants jb. 



Their galleries' in trees 281 



Extremely populous colony at Brockley » 282 



Dusky-Ants 283 



Foreign Ants 284 



Sugar- AnU of the West Indies 286 



CHAPTER XVI. 



Structures of White-Ants, or Termite 288 



Their extraordinary comparative height id. 



Their mining operations 289 



The Warrior (Termcs lictlicosta) 291 



Used as delicate food . . . ■ 292 



Commencement of their nests lb. 



Royal chamber 295 



Galleries mid covert ways ■ , , , . . . m 298 



Turrefc-building White-Ants , 301 



Singular form of their nests 302 



White-Ants ol trees and timber ib. 



Death- Watch ... . . . . . 304 



CHAPTER XVII. 



Spinning-Caterpillars 306 



Manifold advantages of spinning ...... ib. 



Structure of their legs and feet 307 



Side spiracles lor breathing ... .... 308 



Internal structure 309 



Structure of tlie silk-tube •••..,. 310 



Mode of spinning described by La Fluche ■ . , . ib. 



Silk-Worms 313 



Their transformations 314 



How they make their exit from the cocoons .... 315 



Parts used in our manufactures 317 



History Of the introduction of silk 318 



Variotiea and species of silk-worms 320 



Emperor-Moth % lb. 



Ingenious contrivance of the cocoon 321 



Spinning-Caterpillars, continued 322 



Elastic cocoon of Tortrfa chlorana ib. 



Slender covering of the Gypsey-Molh 323 



Cocoou of the Cif.uu spot Ti^.T Moth 324 



Experiment with the Dock-Weevil 325 



Nest of Puss-Moth, with cocoons of Ichneumons . . . 326 



Cocoon of the Horned Mason-Bee 327 



Experiment with Eriognster lanestris lb. 



